TY JOUR TI LEVEL OF ACCUMULATION OF TOXICANTS IN FISH MUSCLE TISSUE IN WATER BASINS IN THE REPUBLIC OF KAZAKHSTAN KW water basins of Kazakhstan KW benthos KW bioaccumulation KW predators KW benthos feeders KW heavy metals KW toxicants KW muscle tissue of fish KW correlation dependence JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Sharipova, O.. AU Petrushenko, L.. AU Lopareva, T.. PY 2016 IS PB Astrakhan State Technical University